package com.powernode.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheConfiguration;
import org.springframework.data.redis.serializer.RedisSerializationContext;
import org.springframework.data.redis.serializer.RedisSerializer;

import java.time.Duration;

@Configuration
public class RedisCacheConfig {

    @Bean
    public RedisCacheConfiguration redisCacheConfiguration() {
        //创建redis缓存配置
        RedisCacheConfiguration redisCacheConfiguration = RedisCacheConfiguration.defaultCacheConfig();

        //进行redis配置
        redisCacheConfiguration.serializeValuesWith
                        (RedisSerializationContext.SerializationPair.fromSerializer(RedisSerializer.json())) //设置value序列化格式
                .entryTtl(Duration.ofDays(7))  //统一设置redis中值的状态过期时间(7天)
                .disableCachingNullValues();    //redis的value值禁止使用空值
        return redisCacheConfiguration;
    }
}
